236 	int retval = -EINVAL;  in ipheth_rcvbulk_callback_ncm()  local
243 		return retval;  in ipheth_rcvbulk_callback_ncm()
271 			return retval;  in ipheth_rcvbulk_callback_ncm()
276 		retval = ipheth_consume_skb(buf, dg_len, dev);  in ipheth_rcvbulk_callback_ncm()
277 		if (retval != 0)  in ipheth_rcvbulk_callback_ncm()
278 			return retval;  in ipheth_rcvbulk_callback_ncm()
283 	return retval;  in ipheth_rcvbulk_callback_ncm()
289 	int retval, status;  in ipheth_rcvbulk_callback()  local
328 	retval = dev->rcvbulk_callback(urb);  in ipheth_rcvbulk_callback()
329 	if (retval != 0) {  in ipheth_rcvbulk_callback()
331 			__func__, retval);  in ipheth_rcvbulk_callback()
365 	int retval;  in ipheth_carrier_set()  local
371 	retval = usb_control_msg(udev,  in ipheth_carrier_set()
379 	if (retval <= 0) {  in ipheth_carrier_set()
381 			__func__, retval);  in ipheth_carrier_set()
382 		return retval;  in ipheth_carrier_set()
385 	if ((retval == 1 && dev->ctrl_buf[0] == IPHETH_CARRIER_ON) ||  in ipheth_carrier_set()
386 	    (retval >= 2 && dev->ctrl_buf[1] == IPHETH_CARRIER_ON)) {  in ipheth_carrier_set()
410 	int retval;  in ipheth_get_macaddr()  local
412 	retval = usb_control_msg(udev,  in ipheth_get_macaddr()
421 	if (retval < 0) {  in ipheth_get_macaddr()
423 			__func__, retval);  in ipheth_get_macaddr()
424 	} else if (retval < ETH_ALEN) {  in ipheth_get_macaddr()
427 			__func__, retval);  in ipheth_get_macaddr()
428 		retval = -EINVAL;  in ipheth_get_macaddr()
431 		retval = 0;  in ipheth_get_macaddr()
434 	return retval;  in ipheth_get_macaddr()
440 	int retval;  in ipheth_enable_ncm()  local
442 	retval = usb_control_msg(udev,  in ipheth_enable_ncm()
453 		 __func__, retval);  in ipheth_enable_ncm()
455 	return retval;  in ipheth_enable_ncm()
461 	int retval;  in ipheth_rx_submit()  local
470 	retval = usb_submit_urb(dev->rx_urb, mem_flags);  in ipheth_rx_submit()
471 	if (retval)  in ipheth_rx_submit()
473 			__func__, retval);  in ipheth_rx_submit()
474 	return retval;  in ipheth_rx_submit()
481 	int retval = 0;  in ipheth_open()  local
485 	retval = ipheth_carrier_set(dev);  in ipheth_open()
486 	if (retval)  in ipheth_open()
487 		return retval;  in ipheth_open()
489 	retval = ipheth_rx_submit(dev, GFP_KERNEL);  in ipheth_open()
490 	if (retval)  in ipheth_open()
491 		return retval;  in ipheth_open()
494 	return retval;  in ipheth_open()
510 	int retval;  in ipheth_tx()  local
530 	retval = usb_submit_urb(dev->tx_urb, GFP_ATOMIC);  in ipheth_tx()
531 	if (retval) {  in ipheth_tx()
533 			__func__, retval);  in ipheth_tx()
581 	int retval;  in ipheth_probe()  local
601 		retval = -ENODEV;  in ipheth_probe()
614 		retval = -ENODEV;  in ipheth_probe()
621 		retval = -ENOMEM;  in ipheth_probe()
625 	retval = ipheth_get_macaddr(dev);  in ipheth_probe()
626 	if (retval)  in ipheth_probe()
629 	retval = ipheth_enable_ncm(dev);  in ipheth_probe()
630 	if (!retval) {  in ipheth_probe()
637 	retval = ipheth_alloc_urbs(dev);  in ipheth_probe()
638 	if (retval) {  in ipheth_probe()
639 		dev_err(&intf->dev, "error allocating urbs: %d\n", retval);  in ipheth_probe()
648 	retval = register_netdev(netdev);  in ipheth_probe()
649 	if (retval) {  in ipheth_probe()
650 		dev_err(&intf->dev, "error registering netdev: %d\n", retval);  in ipheth_probe()
651 		retval = -EIO;  in ipheth_probe()
668 	return retval;  in ipheth_probe()